Vibration reduction and noise reduction exhaust coil pipe for refrigerator compressor

Abstract

The invention discloses a vibration reduction and noise reduction exhaust coil pipe for a refrigerator compressor. The two ends of the exhaust coil pipe are respectively connected with an air inlet pipe and an air outlet pipe in a sealing manner, an exhaust buffer cavity is formed in the exhaust coil pipe, a partition plate is arranged in the exhaust buffer cavity, and the exhaust buffer cavity is divided into a first-stage buffer chamber and a second-stage buffer chamber by the partition plate; the air inlet pipe is provided with a plurality of through strip-shaped slits, and the end, located in the first-stage buffer chamber, of the air inlet pipe is a closed blind end; and the partition plate is provided with at least one hole penetrating through the two end faces of the partition plate and / or provided with at least one communicating pipe used for gas circulation between the first-stage buffer chamber and the second-stage buffer chamber. The multistage buffer chambers are arranged, the strip-shaped slits are formed in the pipe wall of the air inlet pipe, the air guide buffer effect is improved according to the multistage pressure reduction principle, and the air flow pulsation of the compressor is reduced.

Description

Technical field [0001] The present invention relates to the field of compressor devices, and more particularly to a damping silence exhaust coil for a refrigerator compressor. Background technique [0002] Nowadays, the noise quality of the refrigerator has gradually become one of the evaluation criteria for people to purchase. The compressor is a critical component of the refrigerator, and its noise levels have seriously affected the noise quality of the refrigerator noise. The exhaust coil is one of the key components that produce pulsation noise and pipe vibration in the compressor. The optimization improvement of the exhaust coil has become the focus of each compressor manufacturer and research institution. Currently, the common exhaust coils are Bondi, which is a single diameter. The refrigerant is compressed by the piston reciprocating, and a high-temperature high pressure gas is formed, and the refrigerator is entered into the refrigerator through the exhaust coil. A refri...

AI Technical Summary

Problems solved by technology

However, due to the simple structure of this type of exhaust coil, the effect of vibration reduction and noise reduction is limited, especially for the pulsation of a specific frequency band, it is difficult to weaken it.

[0005] 2) When the airflow enters the exhaust buffer chamber, intense jet airflow and pulsating airflow are usually generated, causing airflow noise and pipeline vibration, etc.

In the present invention, the exhaust buffer chamber is arranged on the inner exhaust coil, and the sound-absorbing partition is arranged in the chamber, and the upper and lower pipe bodies are arranged with different apertures, which greatly reduces the noise generated when the compressor is exhausted; this part Although the patented scheme uses partitions to divide the buffer chamber into multi-level schemes, which has a certain noise reduction effect, but the structure is relatively simple, so the noise reduction effect is limited

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